Ice and Steel - A Comparison of Creep and Failure

Sinha, Nirmal K.

doi:10.1007/978-94-009-1117-8_15

Cited by 4 publications

(2 citation statements)

References 13 publications

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“…However, the solid lines in col umnar-grai ned ice of average cross-sectional grain diameter of 2.5 mm, grain length to grain diameter ratio (aspect ratio) of 20 and material constants given in (9,13) give indications that material response, however complex, is reasonably predictable. The theory also clarifies some of the variabilities in statically determined strain ratios presented earlier in the introduction of this paper.…”

Section: Discussionmentioning

confidence: 99%

Experiments on Anisotropic and Rate-Sensitive Strain Ratio and Modulus of Columnar-Grained Ice

Sinha

1989

Journal of Offshore Mechanics and Arctic Engineering

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Anisotropic and rate-sensitive characteristics of the ratio of lateral strain to axial strain in addition to the rate-sensitive effective modulus for columnar-grained freshwater ice and sea ice from the Arctic, have been investigated. Tests were carried out at −20°C, for conditions of no microcracking under uniaxial loads (normal to the length of the grains) in the stress rate range of 1 × 10−3 MN · m−2 s−1 to 1 × 102MN · m−2 s−1 or an equivalent strain rate range of 1 × 10−7 s−1 to 1 × 10−2 s−1. With increase in stress rate, the ratio increased from about 0.2 to 0.3 in the plane parallel to the columns, whereas it decreased from about 0.65 to 0.3 in the plane normal to the columns. A closed-loop controlled test system in association with foil gages, mounted directly on the specimen, was used. A clip-on displacement gage was used to evaluate the accuracy of the foil gages.

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Section: Discussionmentioning

confidence: 99%

Experiments on Anisotropic and Rate-Sensitive Strain Ratio and Modulus of Columnar-Grained Ice

Sinha

1989

Journal of Offshore Mechanics and Arctic Engineering

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“…Creep curves obtained by Mannan and Rodriguez [45] for Type 316 stainless steel certainly support these predictions. A comparative study of the creep response of ice and steel at elevated temperatures is presented in [46].…”

Section: Predicts a Decelerating Creep Rate Lead-mentioning

confidence: 99%